Seiko Cal. 7156 - 863

The 7156-863 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7156 caliber with 36j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-ffb36413af1a]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1966

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